<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">
      <div class="title-container">
        <h3 class="title">注册系统用户</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input ref="username" v-model="loginForm.username" placeholder="请输入用户名" name="username" type="text" tabindex="1" 
        autocomplete="on" @keyup.enter.native="regist"/>
      </el-form-item>

      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input ref="password" v-model="loginForm.password" placeholder="密码" name="password" tabindex="2" autocomplete="on" 
          @keyup.native="checkCapslock" @blur="capsTooltip = false"  @keyup.enter.native="regist" />
        </el-form-item>
      </el-tooltip>

      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="pass">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input ref="password" v-model="loginForm.pass" placeholder="确认密码" name="pass" tabindex="3" autocomplete="on" 
          @keyup.native="checkCapslock" @blur="capsTooltip = false"  @keyup.enter.native="regist"/>
        </el-form-item>
      </el-tooltip>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="regist">注  册</el-button>

      <a name='returnBack' href="/">返回登录页面</a>
    </el-form>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import { register } from "../../request/api";

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入正确的用户名'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码不能小于6位'))
      } else {
        callback()
      }
    }
    const validatePass = (rule, value, callback) => {
      if(value === ''){
        callback(new Error('请再次输入密码'));
      } else if (value != this.loginForm.password){
        callback(new Error('两次输入密码不一致'));
      } else {
        callback();
      }
    }
    return {
      loginForm: {
        username: '',
        password: '',
        pass:''
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', validator: validateUsername }
        ],
        password: [
          { required: true, trigger: 'blur', validator: validatePassword }
          ],
        pass:[
          { required: true, trigger: 'blur', validator: validatePass }
          ]
      },
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {}
    }
  },
  mounted() {
    // if (this.loginForm.username === '') {
    //     this.$refs.username.focus()
    // } else if (this.loginForm.password === '') {
    //     this.$refs.password.focus()
    // } else if (this.loginForm.pass === '') {
    //     this.$refs.pass.focus()
    // }
  },
  methods: {
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    regist() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true // 加载中
          register(this.loginForm).then(res => {
                console.log(res);
                if (res.status) {
                  this.$router.push({ path: '/', query: this.otherQuery })
                  this.$message.success(res.msg + '请登录系统并完善信息!');
                } else {
                  this.loading = false; // 关闭加载
                  this.$message.error(res.msg);
                }
            })
            .catch(res => {
                console.log('错误的提交!!',res);
                this.$message.error("网络开小差了，接口请求失败");
            });
        } else {
          console.log('错误的提交!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang='scss'>
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }

  a{
    color: white;
    font-size: 14px;
  }
}


</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 130px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>